the page of tamerlan may suggest so. the video was removed, but cnn has found it, and it shows this man. abu dujan is the name used by a militant, gadzhimurad dolgatov. an armored car was brought in to kill as many as six militants inside. the grisly aftermath showing their heavy weapon bs but also e heavy hand used to kill them. neighbors told us the one man who once lived here seemed peace. and ordinary, but in the test lies the question, why did tsarnaev's youtube page link to the rants of this man? inside you can see how intense the violence must have been against this apartment, and here could be the clearest link yet between one of the alleged boston bombers and the violence that's been gripping southern russia. a u.s. intelligence source told cnn that the tsarnaev brothers social media accounts are being examined for extremist links in the caucasus? none of this means they ever actually met or influenced each other but it shows the elder brothers interest in this alleged extremist activity here in dagestan, a man